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Allow textures to have their data partially mapped (#2629)

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* Allow textures to have their data partially mapped

* Explicitly check for invalid memory ranges on the MultiRangeList

* Update GetWritableRegion to also support unmapped ranges
This commit is contained in:
gdkchan 2022-02-22 13:34:16 -03:00 committed by GitHub
parent c9c65af59e
commit 0a24aa6af2
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 170 additions and 68 deletions
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55
Ryujinx.Graphics.Gpu/Image/TextureCache.cs
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@ -40,6 +40,7 @@ namespace Ryujinx.Graphics.Gpu.Image
private readonly PhysicalMemory _physicalMemory;
private readonly MultiRangeList<Texture> _textures;
private readonly HashSet<Texture> _partiallyMappedTextures;
private Texture[] _textureOverlaps;
private OverlapInfo[] _overlapInfo;
@ -57,6 +58,7 @@ namespace Ryujinx.Graphics.Gpu.Image
_physicalMemory = physicalMemory;
_textures = new MultiRangeList<Texture>();
_partiallyMappedTextures = new HashSet<Texture>();
_textureOverlaps = new Texture[OverlapsBufferInitialCapacity];
_overlapInfo = new OverlapInfo[OverlapsBufferInitialCapacity];
@ -74,17 +76,7 @@ namespace Ryujinx.Graphics.Gpu.Image
Texture[] overlaps = new Texture[10];
int overlapCount;
MultiRange unmapped;
try
{
unmapped = ((MemoryManager)sender).GetPhysicalRegions(e.Address, e.Size);
}
catch (InvalidMemoryRegionException)
{
// This event fires on Map in case any mappings are overwritten. In that case, there may not be an existing mapping.
return;
}
MultiRange unmapped = ((MemoryManager)sender).GetPhysicalRegions(e.Address, e.Size);
lock (_textures)
{
@ -95,6 +87,24 @@ namespace Ryujinx.Graphics.Gpu.Image
{
overlaps[i].Unmapped(unmapped);
}
// If any range was previously unmapped, we also need to purge
// all partially mapped texture, as they might be fully mapped now.
for (int i = 0; i < unmapped.Count; i++)
{
if (unmapped.GetSubRange(i).Address == MemoryManager.PteUnmapped)
{
lock (_partiallyMappedTextures)
{
foreach (var texture in _partiallyMappedTextures)
{
texture.Unmapped(unmapped);
}
}
break;
}
}
}
/// <summary>
@ -495,10 +505,20 @@ namespace Ryujinx.Graphics.Gpu.Image
SizeInfo sizeInfo = info.CalculateSizeInfo(layerSize);
ulong size = (ulong)sizeInfo.TotalSize;
bool partiallyMapped = false;
if (range == null)
{
range = memoryManager.GetPhysicalRegions(info.GpuAddress, size);
for (int i = 0; i < range.Value.Count; i++)
{
if (range.Value.GetSubRange(i).Address == MemoryManager.PteUnmapped)
{
partiallyMapped = true;
break;
}
}
}
// Find view compatible matches.
@ -784,6 +804,14 @@ namespace Ryujinx.Graphics.Gpu.Image
_textures.Add(texture);
}
if (partiallyMapped)
{
lock (_partiallyMappedTextures)
{
_partiallyMappedTextures.Add(texture);
}
}
ShrinkOverlapsBufferIfNeeded();
for (int i = 0; i < overlapsCount; i++)
@ -1079,6 +1107,11 @@ namespace Ryujinx.Graphics.Gpu.Image
{
_textures.Remove(texture);
}
lock (_partiallyMappedTextures)
{
_partiallyMappedTextures.Remove(texture);
}
}
/// <summary>

13
Ryujinx.Graphics.Gpu/Image/TextureGroup.cs
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@ -879,7 +879,7 @@ namespace Ryujinx.Graphics.Gpu.Image
int sliceStart = Math.Clamp(offset, 0, subRangeSize);
int sliceEnd = Math.Clamp(endOffset, 0, subRangeSize);
if (sliceStart != sliceEnd)
if (sliceStart != sliceEnd && item.Address != MemoryManager.PteUnmapped)
{
result.Add(GenerateHandle(item.Address + (ulong)sliceStart, (ulong)(sliceEnd - sliceStart)));
}
@ -1097,11 +1097,20 @@ namespace Ryujinx.Graphics.Gpu.Image
{
// Single dirty region.
var cpuRegionHandles = new CpuRegionHandle[TextureRange.Count];
int count = 0;
for (int i = 0; i < TextureRange.Count; i++)
{
var currentRange = TextureRange.GetSubRange(i);
cpuRegionHandles[i] = GenerateHandle(currentRange.Address, currentRange.Size);
if (currentRange.Address != MemoryManager.PteUnmapped)
{
cpuRegionHandles[count++] = GenerateHandle(currentRange.Address, currentRange.Size);
}
}
if (count != TextureRange.Count)
{
Array.Resize(ref cpuRegionHandles, count);
}
var groupHandle = new TextureGroupHandle(this, 0, Storage.Size, _views, 0, 0, 0, _allOffsets.Length, cpuRegionHandles);

33
Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs
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@ -28,7 +28,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
private const int PtLvl1Bit = PtPageBits;
private const int AddressSpaceBits = PtPageBits + PtLvl1Bits + PtLvl0Bits;
public const ulong PteUnmapped = 0xffffffff_ffffffff;
public const ulong PteUnmapped = ulong.MaxValue;
private readonly ulong[][] _pageTable;
@ -340,7 +340,6 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// <param name="va">Virtual address of the range</param>
/// <param name="size">Size of the range</param>
/// <returns>Multi-range with the physical regions</returns>
/// <exception cref="InvalidMemoryRegionException">The memory region specified by <paramref name="va"/> and <paramref name="size"/> is not fully mapped</exception>
public MultiRange GetPhysicalRegions(ulong va, ulong size)
{
if (IsContiguous(va, (int)size))
@ -348,11 +347,6 @@ namespace Ryujinx.Graphics.Gpu.Memory
return new MultiRange(Translate(va), size);
}
if (!IsMapped(va))
{
throw new InvalidMemoryRegionException($"The specified GPU virtual address 0x{va:X} is not mapped.");
}
ulong regionStart = Translate(va);
ulong regionSize = Math.Min(size, PageSize - (va & PageMask));
@ -367,14 +361,10 @@ namespace Ryujinx.Graphics.Gpu.Memory
for (int page = 0; page < pages - 1; page++)
{
if (!IsMapped(va + PageSize))
{
throw new InvalidMemoryRegionException($"The specified GPU virtual memory range 0x{va:X}..0x{(va + size):X} is not fully mapped.");
}
ulong currPa = Translate(va);
ulong newPa = Translate(va + PageSize);
if (Translate(va) + PageSize != newPa)
if ((currPa != PteUnmapped || newPa != PteUnmapped) && currPa + PageSize != newPa)
{
regions.Add(new MemoryRange(regionStart, regionSize));
regionStart = newPa;
@ -405,6 +395,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
{
MemoryRange currentRange = range.GetSubRange(i);
if (currentRange.Address != PteUnmapped)
{
ulong address = currentRange.Address & ~PageMask;
ulong endAddress = (currentRange.EndAddress + PageMask) & ~PageMask;
@ -419,6 +411,21 @@ namespace Ryujinx.Graphics.Gpu.Memory
address += PageSize;
}
}
else
{
ulong endVa = va + (((currentRange.Size) + PageMask) & ~PageMask);
while (va < endVa)
{
if (Translate(va) != PteUnmapped)
{
return false;
}
va += PageSize;
}
}
}
return true;
}

43
Ryujinx.Graphics.Gpu/Memory/PhysicalMemory.cs
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@ -7,8 +7,6 @@ using Ryujinx.Memory.Range;
using Ryujinx.Memory.Tracking;
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Threading;
namespace Ryujinx.Graphics.Gpu.Memory
@ -19,8 +17,6 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// </summary>
class PhysicalMemory : IDisposable
{
public const int PageSize = 0x1000;
private readonly GpuContext _context;
private IVirtualMemoryManagerTracked _cpuMemory;
private int _referenceCount;
@ -103,10 +99,12 @@ namespace Ryujinx.Graphics.Gpu.Memory
if (range.Count == 1)
{
var singleRange = range.GetSubRange(0);
if (singleRange.Address != MemoryManager.PteUnmapped)
{
return _cpuMemory.GetSpan(singleRange.Address, (int)singleRange.Size, tracked);
}
else
{
}
Span<byte> data = new byte[range.GetSize()];
int offset = 0;
@ -115,13 +113,15 @@ namespace Ryujinx.Graphics.Gpu.Memory
{
var currentRange = range.GetSubRange(i);
int size = (int)currentRange.Size;
if (currentRange.Address != MemoryManager.PteUnmapped)
{
_cpuMemory.GetSpan(currentRange.Address, size, tracked).CopyTo(data.Slice(offset, size));
}
offset += size;
}
return data;
}
}
/// <summary>
/// Gets a writable region from the application process.
@ -156,11 +156,13 @@ namespace Ryujinx.Graphics.Gpu.Memory
int offset = 0;
for (int i = 0; i < range.Count; i++)
{
MemoryRange subrange = range.GetSubRange(i);
GetSpan(subrange.Address, (int)subrange.Size).CopyTo(memory.Span.Slice(offset, (int)subrange.Size));
offset += (int)subrange.Size;
var currentRange = range.GetSubRange(i);
int size = (int)currentRange.Size;
if (currentRange.Address != MemoryManager.PteUnmapped)
{
GetSpan(currentRange.Address, size).CopyTo(memory.Span.Slice(offset, size));
}
offset += size;
}
return new WritableRegion(new MultiRangeWritableBlock(range, this), 0, memory, tracked);
@ -253,8 +255,11 @@ namespace Ryujinx.Graphics.Gpu.Memory
if (range.Count == 1)
{
var singleRange = range.GetSubRange(0);
if (singleRange.Address != MemoryManager.PteUnmapped)
{
writeCallback(singleRange.Address, data);
}
}
else
{
int offset = 0;
@ -263,7 +268,10 @@ namespace Ryujinx.Graphics.Gpu.Memory
{
var currentRange = range.GetSubRange(i);
int size = (int)currentRange.Size;
if (currentRange.Address != MemoryManager.PteUnmapped)
{
writeCallback(currentRange.Address, data.Slice(offset, size));
}
offset += size;
}
}
@ -288,11 +296,20 @@ namespace Ryujinx.Graphics.Gpu.Memory
public GpuRegionHandle BeginTracking(MultiRange range)
{
var cpuRegionHandles = new CpuRegionHandle[range.Count];
int count = 0;
for (int i = 0; i < range.Count; i++)
{
var currentRange = range.GetSubRange(i);
cpuRegionHandles[i] = _cpuMemory.BeginTracking(currentRange.Address, currentRange.Size);
if (currentRange.Address != MemoryManager.PteUnmapped)
{
cpuRegionHandles[count++] = _cpuMemory.BeginTracking(currentRange.Address, currentRange.Size);
}
}
if (count != range.Count)
{
Array.Resize(ref cpuRegionHandles, count);
}
return new GpuRegionHandle(cpuRegionHandles);

7
Ryujinx.Memory/Range/MemoryRange.cs
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@ -50,6 +50,13 @@ namespace Ryujinx.Memory.Range
ulong otherAddress = other.Address;
ulong otherEndAddress = other.EndAddress;
// If any of the ranges if invalid (address + size overflows),
// then they are never considered to overlap.
if (thisEndAddress < thisAddress || otherEndAddress < otherAddress)
{
return false;
}
return thisAddress < otherEndAddress && otherAddress < thisEndAddress;
}

29
Ryujinx.Memory/Range/MultiRangeList.cs
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@ -29,6 +29,12 @@ namespace Ryujinx.Memory.Range
for (int i = 0; i < range.Count; i++)
{
var subrange = range.GetSubRange(i);
if (IsInvalid(ref subrange))
{
continue;
}
_items.Add(subrange.Address, subrange.EndAddress, item);
}
@ -49,6 +55,12 @@ namespace Ryujinx.Memory.Range
for (int i = 0; i < range.Count; i++)
{
var subrange = range.GetSubRange(i);
if (IsInvalid(ref subrange))
{
continue;
}
removed += _items.Remove(subrange.Address, item);
}
@ -86,6 +98,12 @@ namespace Ryujinx.Memory.Range
for (int i = 0; i < range.Count; i++)
{
var subrange = range.GetSubRange(i);
if (IsInvalid(ref subrange))
{
continue;
}
overlapCount = _items.Get(subrange.Address, subrange.EndAddress, ref output, overlapCount);
}
@ -124,6 +142,17 @@ namespace Ryujinx.Memory.Range
return overlapCount;
}
/// <summary>
/// Checks if a given sub-range of memory is invalid.
/// Those are used to represent unmapped memory regions (holes in the region mapping).
/// </summary>
/// <param name="subRange">Memory range to checl</param>
/// <returns>True if the memory range is considered invalid, false otherwise</returns>
private static bool IsInvalid(ref MemoryRange subRange)
{
return subRange.Address == ulong.MaxValue;
}
/// <summary>
/// Gets all items on the list starting at the specified memory address.
/// </summary>